[PATCH] D35635: Optimize {s,u}{add,sub}.with.overflow on ARM

[Joel Galenson via Phabricator via llvm-commits]

jgalenson created this revision.
Herald added subscribers: kristof.beyls, javed.absar, aemerson.

The AArch64 backend contains code to optimize {s,u}{add,sub}.with.overflow during ISel.  This commit ports that code to the ARM backend.


https://reviews.llvm.org/D35635

Files:
  lib/Target/ARM/ARMISelLowering.cpp
  test/CodeGen/ARM/su_addsub_overflow.ll

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